<abstract xmlns="http://www.w3.org/1999/xhtml"><p> High quality of railway track construction is a major priority. One of the quality elements is the resistance to load of railway formation with individual structural layers caused by negative temperatures during the critical freezing period of winter. Numerical modelling allows obtaining more control outputs at different climatic loads. The presented paper shows the load of railway track model with different variants of climate and shows the importance in the designing of the non-transport load under negative temperatures, i.e. observation of transition of the zero isotherm through the layers of railway subgrade. If the subgrade layers of the railway formation are built with high quality and durability then the axis of the track will keep its geometric spatial position during the long-time operation.</p></abstract>

High quality of railway track construction is a major priority. One of the quality elements is the resistance to load of railway formation with individual structural layers caused by negative temperatures during the critical freezing period of winter. Numerical modelling allows obtaining more control outputs at different climatic loads. The presented paper shows the load of railway track model with different variants of climate and shows the importance in the designing of the non-transport load under negative temperatures, i.e. observation of transition of the zero isotherm through the layers of railway subgrade. If the subgrade layers of the railway formation are built with high quality and durability then the axis of the track will keep its geometric spatial position during the long-time operation.

Modelling of Railway Track Temperature Regime with Real Heat-Technical Values for Different Climatic Characteristics

Civil and Environmental Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

High quality of railway track construction is a major priority. One of the quality elements is the resistance to load of railway formation with individual...

Modelling of Railway Track Temperature Regime with Real Heat-Technical Values for Different Climatic Characteristics

Publié en ligne: 30 nov. 2017

Pages: 134 - 142

DOI: https://doi.org/10.1515/cee-2017-0018

Mots clés
Railway engineering, Layers of railway subgrade, Numerical modelling of temperature regime, Heat-technical values, Zero isotherm

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Modelling of Railway Track Temperature Regime with Real Heat-Technical Values for Different Climatic Characteristics

Publié en ligne: 30 nov. 2017

Pages: 134 - 142

DOI: https://doi.org/10.1515/cee-2017-0018

Mots clésRailway engineering, Layers of railway subgrade, Numerical modelling of temperature regime, Heat-technical values, Zero isotherm

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Railway engineering, Layers of railway subgrade, Numerical modelling of temperature regime, Heat-technical values, Zero isotherm